The phrase refers to an old, custom-modified "unattended" version of Windows XP that was popular in the mid-2000s French-speaking tech community.
(like VirtualBox or VMware) without an active internet connection. windows xp sweet 62 final francais iso extra quality
At least 128 MB (though 512 MB+ is recommended for modern tasks) Microsoft . "Windows XP Sweet 62 Final Francais ISO Extra